TRIPEPTIDE-125 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRIPEPTIDE-125

Safety grade: A

This laboratory-created peptide is a tiny protein fragment designed to help firm and strengthen skin by supporting its natural structure. It works by signaling skin cells to maintain elasticity and resilience, making it a popular choice in anti-aging and lifting skincare products.

Graded using: COSING.

Last verified: June 9, 2026